Portable light source



FIG. 1 is a front elevational view of a portable light source attachedto a head strap according to the present invention.

FIG. 2 is a front elevational view of the portable light source.

FIG. 3 is a rear elevational view of the portable light source.

FIG. 4 is a top plan view of the portable light source.

FIG. 5 is a bottom plan view of the portable light source.

FIG. 6 is a right side elevational view of the portable light source;and,

FIG. 7 is a left side elevational view of the portable light source.

The portions shown in broken lines are solely for the purpose ofillustrating context and form no part of the claimed design.

The ornamental design for a portable light source, as shown anddescribed.